On Friday 05 June 2015 23:04:43 Simone wrote: > Dear All, > I'm facing a problem in my QML application. The target is an Arrm processor > (freescale iMX53) with not so much capabilities. My problem is that I have > a quite complex listview delegate item, and I observe a cpu usage very high > when scrolling my list with lot of items, penalyzing the smoothness of the > scrolling. I was wondering if I can develop the delegate in C++ (with > widgets) instead of pure QML since the creation of QML objects is (of > course) slower. > > Is there such possibility? > Can I reasonably increase scroll performances?
In addition to what Bo has said about reducing your object count in your delegates, take a look at the ListView.cacheBuffer property to reduce the churn on your delegate instances: http://doc.qt.io/qt-5/qml-qtquick-listview.html#cacheBuffer-prop Cheers, Sean -- Dr Sean Harmer | sean.har...@kdab.com | Managing Director UK Klarälvdalens Datakonsult AB, a KDAB Group company Tel. Sweden (HQ) +46-563-540090, USA +1-866-777-KDAB(5322) KDAB - Qt Experts - Platform-independent software solutions _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest
